Old Man's War (English Wikipedia)

Scalzi, John (January 1, 2005). Old Man's War. Tor Books. ISBN 0-7653-0940-8.
Scalzi, John (January 1, 2005). Old Man's War. Tor Books. pp. 186, 187. ISBN 0-7653-0940-8.
Scalzi, John (2007). Old Man's War. Tor Books; Reprint edition.

concatenation.org

Cowie, Jonathan. "Old Man's War". concatenation.org. Jonathan Cowie. Retrieved December 11, 2013.

Kelly, Mark (December 29, 2012). "Locus Online: 2012 All-Centuries Polls Results". www.locusmag.com. Retrieved December 11, 2013.

Carey, Elisabeth. "Old Man's War". New England Science Fiction Association. Retrieved November 2, 2013.

Neal, Chris (August 11, 2011). "Your Picks: Top 100 Science-Fiction, Fantasy Books". NPR.com. Retrieved December 11, 2013.

Cover Reveal: The End of All Things
Scalzi, John (2011). "The Thanksgiving Advent Calendar, Day 13: First-Person Shooter Games". blog. Retrieved October 23, 2013.
Scalzi, John (2003). "Reader Request Wrapup". blog. Retrieved October 23, 2013.
John, Scalzi (April 5, 2003). "Lessons From Heinlein". Whatever. Retrieved October 30, 2013.
"John Scalzi's Blog on the 20th aniversary of Old Man's War". December 1, 2025.
"John Scalzi's Blog on the 10th aniversary of Old Man's War". January 1, 2015.
Scalzi, John (May 21, 2010). "Product Placement". Whatever. Retrieved July 15, 2010.
Scalzi, John (November 16, 2009). "Whatever". whatever.scalzi.com. John Scalzi. Retrieved December 11, 2013.

Wagner, Thomas. "Old Man's War Review". SF Reviews. Retrieved October 30, 2013.

Montgomery, Mitch (2013). "Surreal Time Press". blog: Surreal Time Press. Retrieved October 23, 2013.

Scalzi, John (April 17, 2025). "I didn't; this was a rumor". Threads. Archived from the original on April 18, 2025. Retrieved April 17, 2025.

Hogan, Ron (January 18, 2012). "Meet John Perry: John Scalzi's Old Man's War". TOR. Retrieved October 30, 2013.
"Best SFF Novels of the Decade Poll Update 01/14". tor.com. January 14, 2011. Retrieved December 11, 2013.

"2006 Hugo Awards". Hugo Awards. Archived from the original on May 7, 2011.
Scalzi, John (April 17, 2025). "I didn't; this was a rumor". Threads. Archived from the original on April 18, 2025. Retrieved April 17, 2025.